#VU69240 OS Command Injection in xterm - CVE-2022-45063
Published: November 11, 2022
Vulnerability identifier: #VU69240
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2022-45063
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
xterm
xterm
Software vendor:
invisible-island.net
invisible-island.net
Description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation when processing font ops. A remote attacker can trick the victim into opening a specially crafted file and execute arbitrary OS commands on the target system within the vi line-editing mode of Zsh.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.